Home » Regulations » 44 » a A General Amateur Operator Certificate of Competency holder must advise permanent changes to postal and email addresses and update the official database records within:   a.   One calendar month   b.   7 days   c.   10 days   d.   one year Your answer "a" is CORRECT! WARNING - as at September 2015 there are conflicting answers which are being resolved. Either 'A' or 'B' may be correct. Next